pupae

简明释义

英[ˈpjuːpiː]美[ˈpjuːpiː]

n. 蛹（pupa 的复数形式）

英英释义

单词用法

同义词

反义词

例句

1.Purple Butterfly wings are, as it has been by the butterfly pupae into the pain;

紫蝴蝶有翅膀，因为它经过了由蛹羽化成蝶的痛苦；

2.The indices of aggregation indicate that the larvae and pupae of plutella xylostella present aggregated distribution in the field.

聚集度指标检验结果显示，幼虫、蛹在田间呈聚集分布。

3.The larvae reared on peanut produced significantly smaller pupae than those on the other 3 foods.

雌、雄蛹重花生组显著小于其余三组。

4.Unfortunately, 95% of a flea population consists of eggs, larvae and pupae .

不幸的是， 95 ％的跳蚤由跳蚤卵、幼虫和蛹组成。

5.The results showed that worker honey bee larvae and pupae had medical value in raising immune function of organism as high as queen bee larvae.

结果表明，工蜂幼虫、蛹在提高机体免疫功能方面，与蜂王幼虫有同样的药理作用。

6.This study demonstrated that the clerid preyed 10.6% of larvae and pupae of Tomicus piniperda living beneath the bark.

研究结果表明，疑山郭公虫对树干内纵坑切梢小蠹幼期（幼虫和蛹）的捕食率大体为10.6%。

7.Insects like moths and butterflies spend a considerable amount of time as pupae.

像蛾子和蝴蝶这样的昆虫在蛹阶段花费了相当多的时间。

8.The pupae are often protected by a hard casing.

这些蛹通常被坚硬的外壳保护。

9.The butterfly life cycle includes the stage where it develops into pupae.

蝴蝶的生命周期包括一个阶段，它发展成蛹。

10.The pupae of some species can remain dormant for months before emerging.

某些物种的蛹可以保持休眠数月，然后再破茧而出。

11.During the pupae stage, the caterpillar undergoes significant transformation.

在蛹阶段，毛虫经历了重大的转变。

作文

In the fascinating world of biology, the life cycle of many insects showcases a remarkable transformation known as metamorphosis. One of the key stages in this process is the formation of the pupae, which plays a critical role in the development of various species. The term pupae refers to the stage in an insect's life cycle that occurs between the larval and adult phases. During this period, the insect undergoes significant changes that prepare it for its future life as an adult. To better understand the significance of pupae, we can look at the common example of a butterfly. After hatching from an egg, the caterpillar, or larva, feeds voraciously on leaves and grows rapidly. Once it has reached a certain size, it enters the pupae stage, commonly known as the chrysalis. Inside this protective casing, the caterpillar undergoes a miraculous transformation, breaking down its larval body and reorganizing its cells to form the structures of a butterfly.The pupae stage is not just a time of dormancy; it is a period of intense activity at the cellular level. Scientists have discovered that during this time, the insect’s DNA is actively rearranging, and new organs are forming. This process is crucial because it allows the insect to emerge as a fully developed adult, capable of reproduction and furthering the species. The duration of the pupae stage can vary widely among different species, ranging from a few days to several months, depending on environmental conditions and the specific insect.The concept of pupae extends beyond butterflies. Many insects, such as beetles, bees, and moths, also go through this transformative stage. Each species has adapted its pupae phase to suit its ecological niche, demonstrating the incredible diversity of life on our planet. For example, some insects may create elaborate cocoons for their pupae stage, providing additional protection from predators and environmental hazards.Moreover, the study of pupae has practical applications in agriculture and pest control. By understanding the life cycles of pests, farmers can develop more effective strategies to manage populations without relying solely on chemical pesticides. Encouraging natural predators or implementing biological control methods can be more sustainable approaches to maintaining ecological balance.In conclusion, the stage of pupae in an insect's life cycle is a remarkable phenomenon that highlights the intricacies of nature. From the transformation of a caterpillar into a butterfly to the various adaptations seen across different species, the pupae stage exemplifies the beauty and complexity of biological processes. As we continue to explore and understand these transformations, we gain valuable insights into the interconnectedness of life and the importance of preserving our ecosystems. The study of pupae is not only essential for entomologists but also for anyone interested in the wonders of nature and the delicate balance of life on Earth.

在生物学的迷人世界中，许多昆虫的生命周期展示了一种称为变态的显著转变。这个过程中一个关键的阶段是形成蛹，它在各种物种的发展中发挥着至关重要的作用。术语蛹指的是昆虫生命周期中发生在幼虫和成虫阶段之间的阶段。在此期间，昆虫经历了重大变化，为其未来作为成虫的生活做好准备。为了更好地理解蛹的重要性，我们可以看一下蝴蝶的常见例子。在从卵中孵化后，毛虫或幼虫贪婪地以叶子为食并迅速生长。一旦达到一定的大小，它就进入了蛹阶段，通常被称为蛹。在这个保护壳内，毛虫经历了奇迹般的转变，分解其幼虫身体并重新组织细胞，以形成蝴蝶的结构。蛹阶段不仅仅是一个休眠时期；它是细胞水平上强烈活动的时期。科学家们发现，在此期间，昆虫的DNA正在积极重组，新的器官正在形成。这个过程至关重要，因为它使昆虫能够以完全发育的成虫身份出现，能够繁殖并延续物种。蛹阶段的持续时间因不同物种而异，取决于环境条件和特定昆虫，范围从几天到几个月不等。蛹的概念不仅限于蝴蝶。许多昆虫，如甲虫、蜜蜂和蛾子，也经历这个转变阶段。每个物种都将其蛹阶段适应其生态位，展示了我们星球生命的惊人多样性。例如，一些昆虫可能为其蛹阶段创造复杂的茧，为其提供额外的保护，以免受到捕食者和环境危害的影响。此外，研究蛹在农业和害虫控制中具有实际应用。通过了解害虫的生命周期，农民可以制定更有效的管理策略，而不仅仅依赖化学杀虫剂。鼓励自然捕食者或实施生物控制方法可以成为维持生态平衡的更可持续的方法。总之，昆虫生命周期中的蛹阶段是一种显著现象，突显了自然的复杂性。从毛虫转变为蝴蝶，到不同物种所见的各种适应，蛹阶段体现了生物过程的美丽和复杂性。随着我们继续探索和理解这些转变，我们获得了对生命相互联系以及保护生态系统重要性的宝贵见解。对蛹的研究不仅对昆虫学家至关重要，而且对任何对自然奇观和地球生命的微妙平衡感兴趣的人来说都是如此。